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<FONT color="green">001</FONT>    package edu.hawaii.myisern.users;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.security.MessageDigest;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.security.NoSuchAlgorithmException;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.util.logging.Level;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.util.logging.Logger;<a name="line.6"></a>
<FONT color="green">007</FONT>    <a name="line.7"></a>
<FONT color="green">008</FONT>    /**<a name="line.8"></a>
<FONT color="green">009</FONT>     * Class to store username and password.<a name="line.9"></a>
<FONT color="green">010</FONT>     * @author John Hauge<a name="line.10"></a>
<FONT color="green">011</FONT>     *<a name="line.11"></a>
<FONT color="green">012</FONT>     */<a name="line.12"></a>
<FONT color="green">013</FONT>    public class User { <a name="line.13"></a>
<FONT color="green">014</FONT>      /** Username. */<a name="line.14"></a>
<FONT color="green">015</FONT>      public String name;<a name="line.15"></a>
<FONT color="green">016</FONT>      /** Password. */<a name="line.16"></a>
<FONT color="green">017</FONT>      public String password;<a name="line.17"></a>
<FONT color="green">018</FONT>      private static Logger logger = Logger.getLogger("edu.hawaii.myisern.Hauge");<a name="line.18"></a>
<FONT color="green">019</FONT>      private String key = "myisern";<a name="line.19"></a>
<FONT color="green">020</FONT>      /**<a name="line.20"></a>
<FONT color="green">021</FONT>       * Constructor.<a name="line.21"></a>
<FONT color="green">022</FONT>       * @param name Username.<a name="line.22"></a>
<FONT color="green">023</FONT>       * @param password Password.<a name="line.23"></a>
<FONT color="green">024</FONT>       * @throws NoSuchAlgorithmException if error occurs.<a name="line.24"></a>
<FONT color="green">025</FONT>       */<a name="line.25"></a>
<FONT color="green">026</FONT>      public User(String name, String password) throws NoSuchAlgorithmException {<a name="line.26"></a>
<FONT color="green">027</FONT>        try {<a name="line.27"></a>
<FONT color="green">028</FONT>          this.name = name;<a name="line.28"></a>
<FONT color="green">029</FONT>          this.password = getMD5Hash(password, this.key);<a name="line.29"></a>
<FONT color="green">030</FONT>        }<a name="line.30"></a>
<FONT color="green">031</FONT>        catch (Exception e) {<a name="line.31"></a>
<FONT color="green">032</FONT>          logger.log(Level.SEVERE, e.toString());<a name="line.32"></a>
<FONT color="green">033</FONT>        }<a name="line.33"></a>
<FONT color="green">034</FONT>      }<a name="line.34"></a>
<FONT color="green">035</FONT>      <a name="line.35"></a>
<FONT color="green">036</FONT>      /**<a name="line.36"></a>
<FONT color="green">037</FONT>       * Overridden hashCode() method.<a name="line.37"></a>
<FONT color="green">038</FONT>       * hashCode that combines two strings from <a name="line.38"></a>
<FONT color="green">039</FONT>       * http://mindprod.com/jgloss/hashcode.html.<a name="line.39"></a>
<FONT color="green">040</FONT>       * @return a hash code value on the pair of strings.<a name="line.40"></a>
<FONT color="green">041</FONT>       */<a name="line.41"></a>
<FONT color="green">042</FONT>      public int hashCode() {<a name="line.42"></a>
<FONT color="green">043</FONT>        int result = 17;<a name="line.43"></a>
<FONT color="green">044</FONT>        result = 37 * result + this.name.hashCode();<a name="line.44"></a>
<FONT color="green">045</FONT>        result = 37 * result + this.password.hashCode();<a name="line.45"></a>
<FONT color="green">046</FONT>        return result;<a name="line.46"></a>
<FONT color="green">047</FONT>    }<a name="line.47"></a>
<FONT color="green">048</FONT>      /**<a name="line.48"></a>
<FONT color="green">049</FONT>       * Overridden equals() method.<a name="line.49"></a>
<FONT color="green">050</FONT>       * @param o Object to compare.<a name="line.50"></a>
<FONT color="green">051</FONT>       * @return True/False.<a name="line.51"></a>
<FONT color="green">052</FONT>       */<a name="line.52"></a>
<FONT color="green">053</FONT>      public boolean equals(Object o) {<a name="line.53"></a>
<FONT color="green">054</FONT>        try {<a name="line.54"></a>
<FONT color="green">055</FONT>          if (o == null) {<a name="line.55"></a>
<FONT color="green">056</FONT>            return false;<a name="line.56"></a>
<FONT color="green">057</FONT>          }<a name="line.57"></a>
<FONT color="green">058</FONT>          else {<a name="line.58"></a>
<FONT color="green">059</FONT>            boolean pass = false;<a name="line.59"></a>
<FONT color="green">060</FONT>            User u = (User) o;<a name="line.60"></a>
<FONT color="green">061</FONT>            if (this.name.equals(u.name) &amp;&amp; <a name="line.61"></a>
<FONT color="green">062</FONT>                this.password.equals(u.password)) {<a name="line.62"></a>
<FONT color="green">063</FONT>              pass = true;<a name="line.63"></a>
<FONT color="green">064</FONT>            }<a name="line.64"></a>
<FONT color="green">065</FONT>            return pass;<a name="line.65"></a>
<FONT color="green">066</FONT>          }<a name="line.66"></a>
<FONT color="green">067</FONT>        }<a name="line.67"></a>
<FONT color="green">068</FONT>        catch (Exception e) {<a name="line.68"></a>
<FONT color="green">069</FONT>          logger.log(Level.SEVERE, e.toString());<a name="line.69"></a>
<FONT color="green">070</FONT>          return false;<a name="line.70"></a>
<FONT color="green">071</FONT>        }<a name="line.71"></a>
<FONT color="green">072</FONT>      }<a name="line.72"></a>
<FONT color="green">073</FONT>      /**<a name="line.73"></a>
<FONT color="green">074</FONT>       * Code snippet from http://snippets.dzone.com/posts/show/3923.<a name="line.74"></a>
<FONT color="green">075</FONT>       * @param data to encode.<a name="line.75"></a>
<FONT color="green">076</FONT>       * @param key cypher.<a name="line.76"></a>
<FONT color="green">077</FONT>       * @return string of hex representation of the MD5 hash.<a name="line.77"></a>
<FONT color="green">078</FONT>       */<a name="line.78"></a>
<FONT color="green">079</FONT>        public static String getMD5Hash(String data, String key) {<a name="line.79"></a>
<FONT color="green">080</FONT>          try {<a name="line.80"></a>
<FONT color="green">081</FONT>              MessageDigest md5 = MessageDigest.getInstance("MD5");<a name="line.81"></a>
<FONT color="green">082</FONT>              md5.update(data.getBytes());<a name="line.82"></a>
<FONT color="green">083</FONT>              byte result[] = md5.digest(key.getBytes());<a name="line.83"></a>
<FONT color="green">084</FONT>              StringBuffer sb = new StringBuffer();<a name="line.84"></a>
<FONT color="green">085</FONT>              for (int i = 0; i &lt; result.length; i++) {<a name="line.85"></a>
<FONT color="green">086</FONT>                  String s = Integer.toHexString(result[i]);<a name="line.86"></a>
<FONT color="green">087</FONT>                  int length = s.length();<a name="line.87"></a>
<FONT color="green">088</FONT>                  if (length &gt;= 2) {<a name="line.88"></a>
<FONT color="green">089</FONT>                      sb.append(s.substring(length - 2, length));<a name="line.89"></a>
<FONT color="green">090</FONT>                  } else {<a name="line.90"></a>
<FONT color="green">091</FONT>                      sb.append('0');<a name="line.91"></a>
<FONT color="green">092</FONT>                      sb.append(s);<a name="line.92"></a>
<FONT color="green">093</FONT>                  }<a name="line.93"></a>
<FONT color="green">094</FONT>              }<a name="line.94"></a>
<FONT color="green">095</FONT>              return sb.toString();<a name="line.95"></a>
<FONT color="green">096</FONT>              <a name="line.96"></a>
<FONT color="green">097</FONT>          } <a name="line.97"></a>
<FONT color="green">098</FONT>          catch (NoSuchAlgorithmException e) {<a name="line.98"></a>
<FONT color="green">099</FONT>            logger.log(Level.SEVERE, e.toString());<a name="line.99"></a>
<FONT color="green">100</FONT>            return null;<a name="line.100"></a>
<FONT color="green">101</FONT>          }<a name="line.101"></a>
<FONT color="green">102</FONT>        }<a name="line.102"></a>
<FONT color="green">103</FONT>    }<a name="line.103"></a>




























































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